Z86L88 Datasheet, PDF (13/66 Pages) Zilog, Inc. – INFRARED REMOTE CONTROLLERS

Z86L88/81/86/87/89/73
IR/Low-Voltage Microcontroller
AC CHARACTERISTICS
Preliminary
External I/O or Memory Read and Write Timing Table
1
T_A = 0°C to +70°C
8.0MHz
No
Symbol
Parameter
V_CC
Min
1 TdA(AS)
Address Valid to
/AS Rising Delay
2.0V
55
3.9V
55
2 TdAS(A)
/AS Rising to Address
2.0V
70
Float Delay
3.9V
70
3 TdAS(DR)
/AS Rising to Read
Data Required Valid
2.0V
3.9V
4 TwAS
/AS Low Width
2.0V
80
3.9V
80
5 Td
Address Float to
/DS Falling
2.0V
0
3.9V
0
6 TwDSR
/DS (Read) Low Width
2.0V
300
3.9V
300
7 TwDSW
/DS (Write) Low Width
2.0V
165
3.9V
165
8 TdDSR(DR) /DS Falling to Read
Data Required Valid
2.0V
3.9V
9 ThDR(DS) Read Data to /DS Rising
2.0V
0
Hold Time
3.9V
0
10 TdDS(A)
/DS Rising to Address
2.0V
85
Active Delay
3.9V
95
11 TdDS(AS)
/DS Rising to /AS
Falling Delay
2.0V
60
3.9V
70
12 TdR/W(AS)
R//W Valid to /AS
Rising Delay
2.0V
70
3.9V
70
13 TdDS(R/W)
/DS Rising to
R//W Not Valid
2.0V
70
3.9V
70
14 TdDW(DSW) Write Data Valid to /DS
2.0V
80
Falling (Write) Delay
3.9V
80
15 TdDS(DW) /DS Rising to Write
2.0V
70
Data Not Valid Delay
3.9V
80
16 TdA(DR)
Address Valid to Read
Data Required Valid
2.0V
3.9V
17 TdAS(DS)
/AS Rising to
/DS Falling Delay
2.0V
100
3.9V
100
18 TdDM(AS)
/DM Valid to /AS
Falling Delay
2.0V
55
3.9V
55
19 TdDS(DM)
/DS Rise to
/DM Valid Delay
2.0V
70
3.9V
70
20 ThDS(A)
/DS Rise to Address
2.0V
70
Valid Hold Time
3.9V
70
Notes:
1. When using extended memory timing add 2 TpC.
2. Timing numbers given are for minimum TpC.
Standard Test Load
All timing references use 0.9 V_CC for a logic 1 and 0.1 V_CC for a logic 0.
Max
Units
Notes
ns
2
ns
ns
2
ns
2
400
ns
1,2
400
ns
ns
2
ns
ns
ns
ns
1,2
ns
ns
1,2
ns
260
ns
1,2
260
ns
ns
2
ns
ns
2
ns
ns
2
ns
ns
2
ns
ns
2
ns
ns
2
ns
ns
2
ns
475
ns
1,2
475
ns
ns
2
ns
ns
2
ns
ns
ns
ns
DS96LV00800
PRELIMINARY
13